using Umbraco.Cms.Core.Models.PublishedContent;
using Umbraco.Cms.Core.Strings;

namespace Umbraco.Cms.Core.PropertyEditors.ValueConverters;

/// <summary>
///     Value converter for the RTE so that it always returns IHtmlString so that Html.Raw doesn't have to be used.
/// </summary>
[DefaultPropertyValueConverter]
public class SimpleRichTextValueConverter : PropertyValueConverterBase
{
    public override bool IsConverter(IPublishedPropertyType propertyType)
        => propertyType.EditorAlias == Constants.PropertyEditors.Aliases.RichText;

    public override Type GetPropertyValueType(IPublishedPropertyType propertyType)
        => typeof(IHtmlEncodedString);

    // PropertyCacheLevel.Content is ok here because that converter does not parse {locallink}
    public override PropertyCacheLevel GetPropertyCacheLevel(IPublishedPropertyType propertyType)
        => PropertyCacheLevel.Element;

    public override object? ConvertSourceToIntermediate(IPublishedElement owner, IPublishedPropertyType propertyType, object? source, bool preview) =>

        // in xml a string is: string
        // in the database a string is: string
        // default value is: null
        source;

    public override object ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, object? inter, bool preview) =>

        // source should come from ConvertSource and be a string (or null) already
        new HtmlEncodedString(inter == null ? string.Empty : (string)inter);
}
